258115005

素因数分解:

$3^4\times 5^1\times {\mathrm{637321}}^1$

素因数の和:637338

約数の個数: 20

約数和(自身を含む): 462695772

約数和(自身を除く): 204580767

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 637321, 1911963, 3186605, 5735889, 9559815, 17207667, 28679445, 51623001, 86038335, 258115005]

約数ペア:

[(1, 258115005), (3, 86038335), (5, 51623001), (9, 28679445), (15, 17207667), (27, 9559815), (45, 5735889), (81, 3186605), (135, 1911963), (405, 637321)]